Pulse-shaped disturbance Tested at
● Symmetric interference ● 0.5 kV (without protective element - only power cable
tested)
● 1 kV (with protective elements)
High-energy current surge according to IEC 61000‑4‑5
The subsequent information applies to the following shielded connection cables to the CFU:
● PROFINET cable
● Fieldbus cable
Coupling (to shield)
● 2 kV (without protective element)
Sinusoidal disturbance
EMC performance of the described components in relation to sinusoidal disturbance variables:
The prerequisite for this is that the system complies with the relevant requirements and
guidelines relating to electrical equipment.
Sinusoidal disturbance variable Tested at
HF radiation acc. to IEC 61000-4-3
Electromagnetic HF field, amplitude
modulated
● 80 MHz to 1000 MHz / 1.4 GHz to 2 GHz
● 10 V/m
● 80% AM (1 kHz)
HF coupling according to IEC 61000-4-6
● 0.15 to 80 MHz
● 10 Vrms unmodulated
● 80% AM (1 kHz)
● 150 Ω source impedance
Emission of radio interferences
The following tables show the limits of the emission of electromagnetic fields to which the
described components adhere.
Table 12-8 Emission of electromagnetic interference to EN 55016: limit value class A, group 1
from 30 to 230 MHz < 40 dB (μV/m)Q
from 230 to 1000 MHz < 47 dB (μV/m)Q
measured at a distance of 10 m
Table 12-9 Emission of electromagnetic interference to EN 55016: limit value class A, group 1
from 30 to 230 MHz < 52 dB (µV/m) to 45 dB (µV/m) quasi-peak
from 230 to 1000 MHz < 52 dB (µV/m) quasi-peak
measured at a distance of 3 m
Technical specifications
12.1 General technical specifications
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD 159
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